15+b=7(-b+1)

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Solution for 15+b=7(-b+1) equation:


Simplifying
15 + b = 7(-1b + 1)

Reorder the terms:
15 + b = 7(1 + -1b)
15 + b = (1 * 7 + -1b * 7)
15 + b = (7 + -7b)

Solving
15 + b = 7 + -7b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '7b' to each side of the equation.
15 + b + 7b = 7 + -7b + 7b

Combine like terms: b + 7b = 8b
15 + 8b = 7 + -7b + 7b

Combine like terms: -7b + 7b = 0
15 + 8b = 7 + 0
15 + 8b = 7

Add '-15' to each side of the equation.
15 + -15 + 8b = 7 + -15

Combine like terms: 15 + -15 = 0
0 + 8b = 7 + -15
8b = 7 + -15

Combine like terms: 7 + -15 = -8
8b = -8

Divide each side by '8'.
b = -1

Simplifying
b = -1

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